code: def obj(self):
      df = DataFrame(
          {
              "A": [1.1, 2.2, 3.3],
              "B": [5.0, 6.1, 7.2],
              "C": [4.4, 5.5, 6.6],
          },
          index=[2010, 2011, 2012],
      )
      return df
  
file_path: pandas/pandas/tests/frame/methods/test_set_axis.py
imports: import numpy
  import pytest
  from pandas import DataFrame, Series
  import pandas._testing
label_desc: Use image node_id 1 for calling the TestDataFrameSetAxis obj's underlying member method code with example usage: obj.obj() and returns: df